What is an acceptable amount of time? Why isn’t 90 days the correct number? A comparable bug has been out since Aug2017 and MS hasn’t patched it. Is a year the

What is an acceptable amount of time? Why isn’t 90 days the correct number? A comparable bug has been out since Aug2017 and MS hasn’t patched it. Is a year the right number? Does everyone get that extension by asking? How does that help anyone but the people who own the bugs to save face publicly and attackers more time to exploit the bug?